Out of the Ordinary Sale at Christie's

Out of the ordinary sale at Christie's

A Christie's employee poses next to a triceratops skull at Christie's auction house, Aug. 5, 2013, in London. The skull, which was excavated in the U.S., is expected to fetch between $230,000 and $380,000 in an "Out of the Ordinary" sale of odd and eclectic items on Sept. 5.

Dan Kitwood/Getty Images

Out of the ordinary sale at Christie's

A Christie's employee poses next to a triceratops skull at Christie's auction house, Aug. 5, 2013, in London. The skull, which was excavated in the U.S., is expected to fetch between $230,000 and $380,000 in an "Out of the Ordinary" sale of odd and eclectic items on Sept. 5.

Dan Kitwood/Getty Images

Out of the ordinary sale at Christie's

Riva, 6, poses for photographs beside a giant rocking horse during a photocall outside Christie's auction house in London, Aug. 5, 2013. The rocking horse is estimated to fetch between $38,382 and $61,411 in an "Out of the Ordinary" sale on Sept. 5.

Matt Dunham/AP Photo

Out of the ordinary sale at Christie's

Riva, 6, poses for photographs beside a pair of large-scale Victorian leather "Ivy Brand" Exhibition Balmoral boots, circa 1880, during a photocall at Christie's auction house in London, Aug. 5, 2013. The boots are estimated to fetch between $15,352 and $18,423 in an "Out of the Ordinary" sale on Sept. 5.

Matt Dunham/AP Photo

Out of the ordinary sale at Christie's

A Christie's employee poses with a robot named Cygan at Christie's auction house, Aug. 5, 2013, in London. The robot is expected to fetch between $12,259 and $18,389 in an "Out of the Ordinary" sale on Sept. 5.

Carl Court/AFP/Getty Images

Out of the ordinary sale at Christie's

A visitor looks at items during a press preview for an "Out of the Ordinary" sale at Christie's auction house, Aug. 5, 2013, in London.

Dan Kitwood/Getty Images

Out of the ordinary sale at Christie's

Riva, 6, sits on an oversized Mademoiselle chair at Christie's auction house, Aug. 5, 2013, in London. The chair is expected to fetch between $1,900 and $2,700 in an "Out of the Ordinary" sale on Sept. 5.

Dan Kitwood/Getty Images

Out of the ordinary sale at Christie's

The "Waxflatter" ornithopter, which was made for the film "Young Sherlock Holmes," is on display at Christie's auction house, Aug. 5, 2013, in London. The prop is expected to fetch between $76,000 and $120,000 in an "Out of the Ordinary" sale on Sept. 5.

John Stillwell/Press Association/AP Photo

Out of the ordinary sale at Christie's

Children turn the blades of a Rolls Royce jet engine fan at Christie's auction house, Aug. 5, 2013, in London. The fan is expected to fetch between $91,000 and $100,000 in an "Out of the Ordinary" sale on Sept. 5.

Dan Kitwood/Getty Images

Out of the ordinary sale at Christie's

A large silver caviar dish, reputed to be the world's largest, is on display at Christie's auction house, Aug. 5, 2013, in London. The prop is expected to fetch between $120,000 to $150,000 in an "Out of the Ordinary" sale on September 5.

John Stillwell/Press Association/AP Photo

Out of the ordinary sale at Christie's

A brass sculpture of a rhinoceros is on display at Christie's auction house Aug. 5, 2013 in London. The sculpture is expected to fetch between $12,000 and $15,000 in an "Out of the Ordinary" sale on Sept. 5.